/*
 * page-about.css
 * Obiについて (LP) 専用スタイル
 */

.p-about-lp {
    font-family: var(--font-base);
    color: #1A1A1A;
    background-color: var(--obi-white);
    position: relative;
    z-index: 40;
    min-height: 100vh;
}

.p-about-lp * { box-sizing: border-box; }

.p-about-lp .font-serif-jp,
.p-about-lp h1, .p-about-lp h2, .p-about-lp h3 {
    font-family: 'Noto Serif JP', serif;
}

.p-about-lp__bg-effects { position: fixed; inset: 0; pointer-events: none; z-index: 0; }
.p-about-lp__grain { position: absolute; inset: 0; z-index: 9999; opacity: 0.03; mix-blend-mode: multiply; pointer-events: none; }
.p-about-lp__canvas { position: absolute; inset: 0; z-index: 30; opacity: 0.4; }

.p-about-lp__sunrise-wrap { position: absolute; inset: 0; overflow: hidden; background: var(--obi-white); }
.p-about-lp__sunrise-base { position: absolute; inset: 0; transition: background-color 1s ease; background: var(--obi-white); }
.p-about-lp__sunrise-gradient {
    position: absolute; inset: 0; mix-blend-mode: multiply;
    background: linear-gradient(to bottom, var(--obi-white) 0%, var(--obi-accent) 40%, var(--obi-secondary) 100%);
    opacity: 0; transform: translateY(30%); will-change: transform, opacity;
}
.p-about-lp__sun-container { position: absolute; bottom: 0; left: 50%; transform: translateX(-50%) translateY(40vh) scale(1); opacity: 0; will-change: transform, opacity; }
.p-about-lp__sun-core { width: 120vw; height: 120vw; border-radius: 50%; filter: blur(150px); background: radial-gradient(circle at center, var(--obi-accent) 0%, var(--obi-sunset-orange) 30%, transparent 70%); }
@media (max-width: 767px) { .p-about-lp__sun-core { width: 160vw; height: 160vw; filter: blur(100px); } }

/* Utils */
.js-fade-in { opacity: 0; transform: translateY(40px); transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1); }
.js-fade-in.is-visible { opacity: 1; transform: translateY(0); }
.animate-reveal { animation: reveal 2s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
@keyframes reveal { from { opacity: 0; transform: translateY(60px); } to { opacity: 1; transform: translateY(0); } }

/* Sections */
.p-about-lp__section { position: relative; padding: 5rem 1.5rem; }
@media (min-width: 768px) { .p-about-lp__section { padding: 7rem 4rem; } }
@media (min-width: 1024px) { .p-about-lp__section { padding: 7rem 6rem; } }

.p-about-lp__fv { padding-top: 25vh; }
.p-about-lp__max-w-4xl { max-width: 56rem; margin: 0 auto; }
.p-about-lp__max-w-5xl { max-width: 64rem; margin: 0 auto; }
.p-about-lp__max-w-7xl { max-width: 80rem; margin: 0 auto; }

/* FV */
.p-about-lp__fv-label { font-size: 0.625rem; letter-spacing: 0.4em; font-weight: bold; color: var(--obi-secondary); text-transform: uppercase; margin-bottom: 1rem; display: block; }
@media (min-width: 768px) { .p-about-lp__fv-label { font-size: 0.6875rem; } }
.p-about-lp__fv-title { font-size: 3rem; font-weight: 900; line-height: 1.1; letter-spacing: -0.05em; color: #1A1A1A; word-break: break-all; margin-bottom: 2.5rem; }
@media (min-width: 768px) { .p-about-lp__fv-title { font-size: 4rem; margin-bottom: 4rem; } }
@media (min-width: 1024px) { .p-about-lp__fv-title { font-size: 6rem; line-height: 0.95; } }
.p-about-lp__fv-gradient { background: linear-gradient(to right, var(--obi-accent), var(--obi-secondary), var(--obi-primary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; color: transparent; font-family: var(--font-base); }

.p-about-lp__text { font-size: 0.875rem; line-height: 2; font-weight: 300; opacity: 0.9; text-align: justify; }
@media (min-width: 768px) { .p-about-lp__text { font-size: 1rem; } }
@media (min-width: 1024px) { .p-about-lp__text { font-size: 1.125rem; } }
.p-about-lp__text p { margin-bottom: 1.5rem; }

/* Vert Line */
.p-about-lp__vert-line { position: absolute; left: 1.5rem; top: 0; width: 1px; height: 4rem; background: rgba(0,0,0,0.1); }
@media (min-width: 768px) { .p-about-lp__vert-line { left: 50%; transform: translateX(-50%); height: 6rem; } }

/* Section Title */
.p-about-lp__sec-title { font-size: 1.5rem; font-weight: 900; letter-spacing: -0.05em; line-height: 1.25; color: #1A1A1A; margin-bottom: 2rem; display: flex; align-items: center; gap: 1rem; }
@media (min-width: 768px) { .p-about-lp__sec-title { font-size: 1.875rem; margin-bottom: 3rem; } }
@media (min-width: 1024px) { .p-about-lp__sec-title { font-size: 2.25rem; } }
.p-about-lp__sec-title--center { justify-content: center; text-align: center; }
.p-about-lp__sec-title-bar { width: 2rem; height: 1px; background: var(--obi-secondary); display: inline-block; }
@media (min-width: 768px) { .p-about-lp__sec-title-bar { width: 3rem; } }

/* Role layout */
.p-about-lp__role-grid { display: flex; flex-direction: column; gap: 2rem; }
@media (min-width: 768px) { .p-about-lp__role-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 3rem; } }
.p-about-lp__role-item { position: relative; padding-left: 1.5rem; border-left: 1px solid var(--obi-secondary); }
@media (min-width: 768px) { .p-about-lp__role-item { padding-left: 2rem; } }
.p-about-lp__role-num { position: absolute; left: -16px; top: -4px; width: 32px; height: 32px; border-radius: 50%; background: var(--obi-white); border: 1px solid var(--obi-secondary); display: flex; align-items: center; justify-content: center; font-size: 0.625rem; font-weight: 900; color: var(--obi-secondary); font-family: 'Noto Serif JP', serif; }
.p-about-lp__role-box { margin-top: 3rem; max-width: 48rem; margin-left: auto; margin-right: auto; text-align: center; border: 1px solid rgba(0,0,0,0.05); padding: 1.5rem; background: rgba(250,250,249,0.5); }
@media (min-width: 768px) { .p-about-lp__role-box { padding: 3rem; margin-top: 4rem; } }

/* Service layout */
.p-about-lp__service-wrap { position: relative; }
.p-about-lp__service-top-border { position: absolute; top: 0; left: 0; width: 100%; height: 1px; background: linear-gradient(to right, var(--obi-accent), var(--obi-secondary), var(--obi-primary)); }

.p-about-lp__service-header { margin-bottom: 3rem; display: flex; flex-direction: column; gap: 2rem; }
@media (min-width: 768px) { .p-about-lp__service-header { flex-direction: row; justify-content: space-between; align-items: baseline; gap: 3rem; margin-bottom: 5rem; } }
.p-about-lp__service-hl { position: relative; padding-left: 1.5rem; }
@media (min-width: 768px) { .p-about-lp__service-hl { padding-left: 0; } }
.p-about-lp__service-grad-line { position: absolute; left: 0; top: 0; width: 2px; height: 100%; background: linear-gradient(to bottom, var(--obi-accent), var(--obi-secondary), var(--obi-primary)); }
@media (min-width: 768px) { .p-about-lp__service-grad-line { left: -3rem; } }
.p-about-lp__service-title { font-size: 2.25rem; font-weight: 900; letter-spacing: -0.05em; line-height: 1.2; color: #1A1A1A; }
@media (min-width: 768px) { .p-about-lp__service-title { font-size: 3rem; } }
@media (min-width: 1024px) { .p-about-lp__service-title { font-size: 4.5rem; line-height: 1.1; } }
.p-about-lp__service-desc { max-width: 36rem; opacity: 0.8; }

.p-about-lp__service-grid { display: flex; flex-direction: column; gap: 3rem; }
@media (min-width: 768px) { .p-about-lp__service-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 4rem; } }
.p-about-lp__card { display: flex; flex-direction: column; height: 100%; }
.p-about-lp__card-visual { position: relative; overflow: hidden; aspect-ratio: 4/3; background: var(--obi-white); border: 1px solid rgba(28,25,23,0.05); display: flex; align-items: center; justify-content: center; padding: 2rem; transition: box-shadow 1s; display: block; }
@media (min-width: 768px) { .p-about-lp__card-visual { aspect-ratio: 16/10; padding: 3rem; } }
.p-about-lp__card-visual:hover { box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1); }
.p-about-lp__card-img { max-height: 100%; max-width: 100%; object-fit: contain; opacity: 0.9; transition: transform 2s ease; }
.p-about-lp__card-visual:hover .p-about-lp__card-img { transform: scale(1.05); }
.p-about-lp__card-bar { position: absolute; bottom: 0; left: 0; width: 100%; height: 0px; background: linear-gradient(to right, var(--obi-accent), var(--obi-secondary), var(--obi-primary)); transition: height 0.5s; }
.p-about-lp__card-visual:hover .p-about-lp__card-bar { height: 2px; }

.p-about-lp__card-content { padding-top: 2rem; display: flex; flex-direction: column; flex-grow: 1; }
@media (min-width: 768px) { .p-about-lp__card-content { padding-top: 2.5rem; } }
.p-about-lp__card-logo { height: 1.5rem; object-fit: contain; align-self: flex-start; margin-bottom: 1.5rem; }
@media (min-width: 768px) { .p-about-lp__card-logo { height: 2rem; } }
.p-about-lp__card-text { font-size: 0.875rem; font-weight: 300; opacity: 0.8; line-height: 2; margin-bottom: 2rem; flex-grow: 1; text-align: justify; }
@media (min-width: 768px) { .p-about-lp__card-text { font-size: 1rem; } }
.p-about-lp__card-cta { display: inline-flex; align-items: center; gap: 1rem; border-bottom: 1px solid rgba(0,0,0,0.1); padding-bottom: 0.5rem; transition: all 0.3s; color: #1A1A1A; align-self: flex-start; }
.p-about-lp__card-visual:hover + .p-about-lp__card-content .p-about-lp__card-cta,
.p-about-lp__card-cta:hover { gap: 2rem; border-color: #1A1A1A; }
.p-about-lp__card-cta-text { font-size: 0.625rem; font-weight: 900; letter-spacing: 0.3em; text-transform: uppercase; }

.p-about-lp__service-msg { margin-top: 3rem; text-align: center; }
@media (min-width: 768px) { .p-about-lp__service-msg { margin-top: 5rem; } }
.p-about-lp__service-msg p { font-size: 0.875rem; font-weight: 900; line-height: 2.4; color: #1A1A1A; }
@media (min-width: 768px) { .p-about-lp__service-msg p { font-size: 1.25rem; } }

/* Philosophy */
.p-about-lp__philosophy { background: rgba(250,250,249,0.8); border-top: 1px solid rgba(28,25,23,0.05); border-bottom: 1px solid rgba(28,25,23,0.05); }
.p-about-lp__phil-grid { display: flex; flex-direction: column; gap: 2.5rem; }
@media (min-width: 768px) { .p-about-lp__phil-grid { gap: 4rem; } }
.p-about-lp__phil-row { display: flex; flex-direction: column; gap: 1.5rem; align-items: flex-start; }
@media (min-width: 768px) { .p-about-lp__phil-row { flex-direction: row; gap: 3rem; } }
.p-about-lp__phil-head { font-size: 1.25rem; font-weight: 900; border-left: 4px solid var(--obi-secondary); padding-left: 1rem; padding-top: 0.25rem; }
@media (min-width: 768px) { .p-about-lp__phil-head { font-size: 1.5rem; width: 33.333%; flex-shrink: 0; } }
.p-about-lp__phil-head--yellow { border-color: var(--obi-accent); }
.p-about-lp__phil-desc { font-size: 0.875rem; line-height: 2; font-weight: 300; opacity: 0.9; text-align: justify; }
@media (min-width: 768px) { .p-about-lp__phil-desc { font-size: 1rem; width: 66.666%; } }

/* Who */
.p-about-lp__who-subtitle { text-align: center; font-size: 0.875rem; margin-bottom: 2.5rem; opacity: 0.8; font-weight: 300; }
@media (min-width: 768px) { .p-about-lp__who-subtitle { font-size: 1rem; margin-bottom: 3rem; } }
.p-about-lp__who-box { background: var(--obi-white); border: 1px solid rgba(28,25,23,0.05); padding: 2rem; margin-bottom: 3rem; position: relative; }
@media (min-width: 768px) { .p-about-lp__who-box { padding: 3rem; margin-bottom: 3rem; } }
.p-about-lp__who-box-top { position: absolute; top: 0; left: 0; width: 100%; height: 4px; background: linear-gradient(to right, var(--obi-accent), var(--obi-secondary), var(--obi-primary)); }
.p-about-lp__who-list { display: flex; flex-direction: column; gap: 1.5rem; list-style: none; }
@media (min-width: 768px) { .p-about-lp__who-list { gap: 2rem; } }
.p-about-lp__who-list li { display: flex; align-items: flex-start; gap: 1rem; }
.p-about-lp__who-list svg { width: 1.5rem; height: 1.5rem; color: var(--obi-secondary); flex-shrink: 0; margin-top: 0.125rem; }
.p-about-lp__who-list span { font-size: 0.875rem; font-weight: bold; color: #1A1A1A; }
@media (min-width: 768px) { .p-about-lp__who-list span { font-size: 1rem; } }

/* Conclusion */
.p-about-lp__conclusion { background: #fafaf9; border-top: 1px solid rgba(28,25,23,0.05); overflow: hidden; }
.p-about-lp__conc-label { font-size: 0.625rem; letter-spacing: 0.8em; text-transform: uppercase; font-weight: 900; opacity: 0.4; display: block; margin-bottom: 1.5rem; color: var(--obi-secondary); text-align: center; }
@media (min-width: 768px) { .p-about-lp__conc-label { font-size: 0.6875rem; margin-bottom: 2rem; } }
.p-about-lp__conc-box { display: inline-block; text-align: left; background: var(--obi-white); border: 1px solid rgba(28,25,23,0.1); padding: 2rem; margin-bottom: 2.5rem; box-shadow: 0 1px 2px rgba(0,0,0,0.05); }
@media (min-width: 768px) { .p-about-lp__conc-box { padding: 3rem; margin-bottom: 4rem; } }
.p-about-lp__conc-box-title { font-weight: bold; margin-bottom: 1.5rem; text-align: center; color: var(--obi-secondary); font-size: 1.125rem; font-family: 'Noto Serif JP', serif; }
.p-about-lp__conc-list { display: flex; flex-direction: column; gap: 1rem; font-weight: 300; font-size: 0.875rem; }
@media (min-width: 768px) { .p-about-lp__conc-list { font-size: 1rem; } }
.p-about-lp__conc-list li { display: flex; align-items: center; gap: 0.75rem; }
.p-about-lp__conc-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--obi-accent); }
.p-about-lp__conc-box-bottom { margin-top: 2rem; text-align: center; font-weight: bold; }

.p-about-lp__conc-final { font-size: 1.125rem; font-weight: 900; line-height: 2; margin-bottom: 2.5rem; font-family: 'Noto Serif JP', serif; text-align: center; }
@media (min-width: 768px) { .p-about-lp__conc-final { font-size: 1.5rem; margin-bottom: 4rem; } }
.p-about-lp__conc-highlight { color: var(--obi-secondary); text-decoration: underline; text-decoration-color: var(--obi-accent); text-decoration-thickness: 2px; text-underline-offset: 8px; }

.p-about-lp__biz-link-wrap { margin-top: 4rem; margin-bottom: 4rem; display: flex; justify-content: center; }
.p-about-lp__biz-link { display: inline-flex; align-items: center; gap: 0.75rem; border-bottom: 1px solid var(--obi-ink); padding-bottom: 0.5rem; color: var(--obi-ink); transition: opacity 0.3s; }
.p-about-lp__biz-link:hover { opacity: 0.6; }
.p-about-lp__biz-link-text { font-size: 0.8125rem; font-weight: bold; letter-spacing: 0.1em; }

/* Inline Style Migrations */
.p-about-lp__margin-b-lg { margin-bottom: 2.5rem; }
.p-about-lp__margin-b-4rem { margin-bottom: 4rem; }
.p-about-lp__margin-b-3rem { margin-bottom: 3rem; }
.p-about-lp__margin-b-2rem { margin-bottom: 2rem; }
.p-about-lp__padding-l-0 { padding-left: 0; }
.p-about-lp__padding-t-sm { padding-top: 0.5rem; }
.p-about-lp__text-center-italic { text-align: center; font-style: italic; }
.p-about-lp__text-center { text-align: center; }
.p-about-lp__text-bold-large { font-weight: bold; font-size: 1.125rem; }

.p-about-lp__btn { display: inline-flex; justify-content: center; align-items: center; gap: 0.75rem; padding: 1rem 2rem; background: var(--obi-ink); color: var(--obi-white); border-radius: 999px; font-weight: bold; transition: background 0.3s; font-size: 0.875rem; box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1); margin: 0 auto; }
@media (min-width: 768px) { .p-about-lp__btn { padding: 1.25rem 3rem; font-size: 1rem; gap: 1rem; } }
.p-about-lp__btn:hover { background: var(--obi-secondary); color: var(--obi-white); }

/* Custom Overrides for Header over White Canvas */
.l-header--transparent.l-header--about-lp { background: transparent; backdrop-filter: none; box-shadow: none; color: var(--obi-ink); padding: 2.5rem 3rem; }
@media (max-width: 767px) { .l-header--transparent.l-header--about-lp { padding: 1.5rem 1.5rem; } }
.l-header--about-lp .c-logo-link { color: var(--obi-ink); }
.l-header--about-lp .c-logo-link__img { filter: brightness(0); }
.l-header--about-lp .c-logo-link__suffix { border-color: rgba(0,0,0,0.2); color: var(--obi-ink); }
.l-header--about-lp .c-nav-link { color: var(--obi-ink); opacity: 0.6; }
.l-header--about-lp .c-nav-link:hover { opacity: 1; }
.l-header--about-lp .c-button { border-color: rgba(0,0,0,0.2); color: var(--obi-ink); }
.l-header--about-lp .c-button:hover { background: var(--obi-ink); color: var(--obi-white); }
.l-header--about-lp .l-header__mobile-toggle { color: var(--obi-ink); }