/* FIRST FOLIO inspired 遯ｶ�ｽ editorial, whitespace, burgundy accent */

*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --bg: #ffffff;
  --bg-soft: #fafafa;
  --ink: #333333;
  --muted: #666666;
  --accent: #b50000;
  --accent-hover: #8f0000;
  --border: #e8e8e8;
  --border-strong: #cccccc;
  --footer-bg: #111111;
  --footer-text: #f7f7f7;
  --radius: 0;
  --font-jp: "Noto Sans JP", system-ui, sans-serif;
  --font-display: "Archivo", var(--font-jp);
  --font-serif: "Cormorant Garamond", "Noto Serif JP", serif;
  --max: 1080px;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-jp);
  font-size: 0.9375rem;
  font-weight: 400;
  line-height: 2;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

.page {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0;
}

/* Hero 遯ｶ�ｽ name left, photos right, nav top-right */
.hero {
  padding: 2rem 1.5rem 3rem;
  margin-bottom: 0;
  border-bottom: 1px solid var(--border);
}

.hero__nav {
  position: absolute;
  top: 2rem;
  right: 0;
  z-index: 10;
  padding-right: 1.5rem;
}

.hero__nav-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.15rem;
}

.hero__nav-list a {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--ink);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.hero__nav-list a:hover,
.hero__nav-list a:focus-visible {
  opacity: 0.5;
  outline: none;
}

@media (min-width: 768px) {
  .hero__nav {
    top: 2.5rem;
    right: 0;
    padding-right: 3rem;
  }

  .hero__grid {
    padding-top: 0;
  }
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
  padding-top: 7rem;
}

.hero__copy {
  text-align: right;
}

.hero__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(4rem, 16vw, 8.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 0.92;
  color: var(--ink);
}

.hero__role {
  margin: 1.25rem 0 0.65rem;
  font-family: var(--font-display);
  font-size: clamp(0.875rem, 2vw, 1rem);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.hero__tagline {
  margin: 0;
  max-width: none;
  font-size: clamp(0.75rem, 1.8vw, 0.8125rem);
  font-weight: 400;
  line-height: 1.85;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.hero__photos {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  width: 100%;
  max-width: 26rem;
  margin-left: auto;
  margin-top: 2.5rem;
}

.hero__photos--single {
  grid-template-columns: 1fr;
  max-width: 22rem;
}

.hero__photo {
  margin: 0;
  overflow: hidden;
  aspect-ratio: 3 / 4;
}

.hero__photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__photo--profile img {
  object-position: 72% 35%;
}

.hero__photo--visual img {
  object-position: center center;
}

/* Sections */
.section {
  padding: 1.875rem 1.5rem 2.5rem;
  margin-bottom: 0;
  border-bottom: 1px solid var(--border);
}

.section__title {
  margin: 0 0 1.25rem;
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.section__text {
  font-size: 0.875rem;
  line-height: 2.1;
  color: var(--muted);
}

.section__text strong {
  color: var(--ink);
  font-weight: 600;
}

.thought-text p {
  margin: 0;
}

.thought-text p + p {
  margin-top: 1rem;
}

/* Why / How */
.whyhow {
  margin-top: 2rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border);
}

.whyhow__heading {
  margin: 0 0 1rem;
  font-family: var(--font-serif);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
}

/* Nav 遯ｶ�ｽ moved to hero */

/* Accordion */
.accordion-group {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.accordion {
  border-top: 1px solid var(--border);
  background: transparent;
}

.accordion-group .accordion:last-child {
  border-bottom: 1px solid var(--border);
}

.accordion--section {
  margin: 0;
  border-left: none;
  border-right: none;
  border-bottom: 1px solid var(--border);
}

.accordion--nested {
  background: transparent;
}

.accordion__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3rem;
  padding: 0.85rem 0;
  font-size: 0.8125rem;
  font-weight: 400;
  line-height: 1.7;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.accordion__summary::-webkit-details-marker {
  display: none;
}

.accordion__summary::after {
  content: "";
  flex-shrink: 0;
  width: 0.4rem;
  height: 0.4rem;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  transform: rotate(-45deg);
  transition: transform 0.2s ease;
}

.accordion[open] > .accordion__summary::after {
  transform: rotate(45deg);
}

.accordion__summary--section {
  padding: 1.25rem 1.5rem;
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--accent);
  min-height: 3.5rem;
}

.accordion__summary--section::after {
  border-color: var(--accent);
}

.accordion[open] > .accordion__summary--section {
  background: transparent;
}

.accordion__summary:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 2px;
}

.accordion__body {
  padding: 0 0 1.25rem;
  font-size: 0.8125rem;
  line-height: 2;
  color: var(--muted);
}

.accordion--section > .accordion__body {
  padding: 0 1.5rem 1.75rem;
}

.accordion__body p {
  margin: 0;
}

.accordion__body strong {
  color: var(--ink);
  font-weight: 600;
}

.section-subtitle {
  margin: 0 0 1rem;
  font-family: var(--font-serif);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--accent);
}

/* Timeline */
.timeline {
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline__item {
  position: relative;
  padding: 0 0 1.5rem 0;
  border-bottom: 1px solid var(--border);
}

.timeline__item:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.timeline__date {
  margin: 0 0 0.35rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.timeline__title {
  margin: 0 0 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ink);
}

.timeline__text {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--muted);
}

.timeline__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline__list li {
  position: relative;
  padding: 0.5rem 0 0.5rem 0;
  font-size: 0.8125rem;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
}

.timeline__list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.timeline__item--highlight {
  padding-top: 0.25rem;
}

.link-list {
  margin: 0.75rem 0 0;
  padding: 0;
  list-style: none;
}

.link-list a {
  display: inline-block;
  padding: 0.2rem 0;
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.2em;
  transition: opacity 0.2s ease;
}

.link-list a:hover,
.link-list a:focus-visible {
  opacity: 0.65;
  outline: none;
}

/* Skills */
.skill-block + .skill-block {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.skill-block__title {
  margin: 0 0 0.65rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.skill-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.skill-list li {
  position: relative;
  padding: 0.3rem 0 0.3rem 0.85rem;
  font-size: 0.8125rem;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
}

.skill-list li:last-child {
  border-bottom: none;
}

.skill-list li::before {
  content: "-";
  position: absolute;
  left: 0;
  color: var(--accent);
}

.skill-note {
  margin: 0.75rem 0 0;
  font-size: 0.75rem;
  color: var(--muted);
}

/* Portfolio */
.portfolio-grid {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.portfolio-card {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 1rem 0;
  text-decoration: none;
  border-top: 1px solid var(--border);
  transition: opacity 0.2s ease;
}

.portfolio-card:last-child {
  border-bottom: 1px solid var(--border);
}

.portfolio-card:hover,
.portfolio-card:focus-visible {
  opacity: 0.65;
  outline: none;
}

.portfolio-card__label {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.portfolio-card__title {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--ink);
}

.portfolio-card__url {
  font-size: 0.75rem;
  color: var(--muted);
}

/* Contact */
.contact-note {
  margin: 1rem 0 1.25rem;
  font-size: 0.8125rem;
  color: var(--muted);
}

.contact-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.65rem 2rem;
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: #fff;
  text-decoration: none;
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 0;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.contact-cta:hover,
.contact-cta:focus-visible {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  outline: none;
}

.contact-cta--disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

/* Footer 遯ｶ�ｽ dark bar like FIRST FOLIO */
.footer {
  width: 100%;
  margin-top: 0;
  padding: 1.25rem 1.5rem;
  background: var(--footer-bg);
  text-align: center;
}

.footer__note {
  margin: 0;
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--footer-text);
}

@media (min-width: 768px) {
  .hero {
    padding: 2.5rem 3rem 3.5rem;
  }

  .hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 6rem;
    align-items: center;
  }

  .hero__photos {
    max-width: none;
    gap: 1rem;
    margin-top: 4rem;
  }

  .hero__photos--single {
    max-width: 26rem;
    margin-left: auto;
  }

  .hero__photo {
    aspect-ratio: 2 / 3;
    max-height: min(68vh, 660px);
  }
}

@media (min-width: 540px) {
  .section,
  .accordion--section > .accordion__summary,
  .accordion--section > .accordion__body {
    padding-left: 2rem;
    padding-right: 2rem;
  }

  .accordion__summary--section {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

@media (min-width: 768px) {
  .page {
    max-width: var(--max);
  }

  .section,
  .accordion--section > .accordion__summary,
  .accordion--section > .accordion__body {
    padding-left: 3rem;
    padding-right: 3rem;
  }

  .accordion__summary--section {
    padding-left: 3rem;
    padding-right: 3rem;
  }
}
/* Contact Form */
.contact-form {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-form__group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.contact-form__label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: 0.02em;
}

.contact-form__required {
  color: var(--accent);
  margin-left: 0.2rem;
}

.contact-form__input {
  width: 100%;
  padding: 0.65rem 0.75rem;
  font-family: var(--font-jp);
  font-size: 0.875rem;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: 0;
  outline: none;
  transition: border-color 0.2s ease;
  -webkit-appearance: none;
  appearance: none;
}

.contact-form__input:focus {
  border-color: var(--accent);
}

.contact-form__input::placeholder {
  color: #b0b0b0;
}

.contact-form__textarea {
  resize: vertical;
  min-height: 8rem;
  line-height: 1.8;
}

.contact-form__note {
  margin: 0;
  font-size: 0.75rem;
  color: var(--muted);
}

.contact-form__success {
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--border);
  font-size: 0.875rem;
  color: var(--ink);
  line-height: 1.8;
}

.contact-form__success p {
  margin: 0;
}

/* ===== Hero FV ===== */
.hero__fv {
  position: relative;
  width: 100%;
  height: 70vh;
  min-height: 400px;
  max-height: 760px;
  overflow: hidden;
  cursor: crosshair;
  margin-bottom: 3rem;
}

.hero__fv-slides {
  position: absolute;
  inset: 0;
}

.hero__fv-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 0.6s ease;
}

.hero__fv-slide--active {
  opacity: 1;
}

/* 繝帙ヰ繝ｼ縺ｧ谺｡縺ｮ蜀咏悄縺ｫ蛻�ｊ譖ｿ縺� */
.hero__fv:hover .hero__fv-slide--active {
  opacity: 0;
}

.hero__fv:hover .hero__fv-slide:not(.hero__fv-slide--active) {
  opacity: 1;
}

.hero__fv-text {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: #fff;
  mix-blend-mode: normal;
  pointer-events: none;
}

.hero__fv-label {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(0.75rem, 2vw, 1rem);
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  opacity: 0.85;
}

.hero__fv-sub {
  margin: 0.4rem 0 0;
  font-family: var(--font-jp);
  font-size: clamp(0.75rem, 1.8vw, 0.875rem);
  font-weight: 300;
  letter-spacing: 0.2em;
  opacity: 0.7;
}

.hero__fv-scroll {
  position: absolute;
  bottom: 1.5rem;
  right: 1.75rem;
  font-family: var(--font-display);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  writing-mode: vertical-rl;
  pointer-events: none;
}

.hero__fv-scroll::after {
  content: "";
  display: block;
  width: 1px;
  height: 2.5rem;
  background: rgba(255,255,255,0.4);
  margin: 0.5rem auto 0;
  animation: fv-scroll-line 1.8s ease-in-out infinite;
}

@keyframes fv-scroll-line {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}