/* ==============================
   海ぶどう福FUKU - Stylesheet
   Studioサイトの再現
   ============================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  font-family: "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  color: #333;
  line-height: 1.95;
  background: #ffffff;
  overflow-x: hidden;
  font-weight: 400;
  letter-spacing: 0.04em;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ==============================
   HEADER
   ============================== */
.site-header {
  position: relative;
  width: 100%;
  padding: 30px 0 0;
  z-index: 100;
}

.nav-pc {
  width: 100%;
}

.nav-list {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 50px;
  padding: 0 20px;
}

.nav-list a {
  font-family: "Rubik", "Noto Sans JP", sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: #333;
  transition: opacity 0.3s;
}

.nav-list a:hover {
  opacity: 0.6;
}

/* Logo */
.logo-area {
  text-align: center;
  margin-top: 25px;
  padding-bottom: 30px;
}

.logo-kanji {
  font-family: "Noto Serif JP", serif;
  font-size: 40px;
  font-weight: 500;
  color: #333;
  line-height: 1;
  letter-spacing: 0;
}

.logo-romaji {
  font-family: "Rubik", sans-serif;
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.5em;
  color: #333;
  margin-top: 8px;
  padding-left: 0.5em;
}

/* Hamburger */
.hamburger {
  display: none;
  position: fixed;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid #ddd;
  border-radius: 4px;
  cursor: pointer;
  z-index: 200;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: #333;
  transition: all 0.3s;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  height: 100vh;
  background: rgba(255, 255, 255, 0.98);
  z-index: 150;
  transform: translateX(100%);
  transition: transform 0.4s;
  padding: 80px 30px 30px;
}

.mobile-menu.open {
  transform: translateX(0);
}

.mobile-menu ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin-top: 40px;
}

.mobile-menu a {
  font-size: 17px;
  letter-spacing: 0.15em;
  color: #333;
  font-weight: 500;
}

/* ==============================
   SIDE VERTICAL TEXT
   ============================== */
.side-text {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  font-size: 11px;
  letter-spacing: 0.5em;
  color: #999;
  z-index: 50;
  font-weight: 400;
  font-family: "Noto Sans JP", sans-serif;
}

.side-left {
  left: 22px;
}

.side-right {
  right: 22px;
}

/* ==============================
   HERO
   ============================== */
.hero {
  margin-top: 30px;
  padding: 0 50px;
}

.hero-image {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 8.5;
  overflow: hidden;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 50%, rgba(0, 0, 0, 0.25) 100%);
}

.hero-text {
  position: absolute;
  right: 60px;
  bottom: 60px;
  color: #fff;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.7;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.4);
  letter-spacing: 0.08em;
  font-family: "Noto Sans JP", sans-serif;
}

.hero-text p {
  margin: 4px 0;
}

/* ==============================
   SECTIONS - COMMON
   ============================== */
.section {
  padding: 120px 50px;
  position: relative;
}

.section-inner {
  max-width: 760px;
  margin: 0 auto;
}

.section-label {
  font-family: "Rubik", "Noto Sans JP", sans-serif;
  font-size: 13px;
  letter-spacing: 0.4em;
  color: #999;
  margin-bottom: 30px;
  font-weight: 500;
}

.section-title {
  font-size: 30px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 50px;
  letter-spacing: 0.08em;
  line-height: 1.6;
}

/* ==============================
   GREETING SECTION
   ============================== */
.greeting-text {
  font-size: 16px;
  line-height: 2.1;
  margin-bottom: 60px;
  color: #333;
}

.greeting-text p {
  margin: 0;
}

.greeting-image {
  margin-top: 80px;
}

.greeting-image img {
  width: 100%;
}

/* ==============================
   PHILOSOPHY (福FUKUの想い)
   ============================== */
.philosophy {
  position: relative;
  padding: 60px 0 120px;
}

.philosophy-bg {
  width: 100%;
  height: 480px;
  overflow: hidden;
  margin-bottom: 80px;
  padding: 0 50px;
}

.philosophy-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.philosophy-inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 50px;
  position: relative;
}

.vertical-title {
  writing-mode: vertical-rl;
  font-size: 16px;
  letter-spacing: 0.4em;
  font-weight: 600;
  color: #1a1a1a;
  border-left: 1px solid #1a1a1a;
  border-right: 1px solid #1a1a1a;
  padding: 18px 8px;
  position: absolute;
  left: 50px;
  top: 60px;
  font-family: "Noto Sans JP", sans-serif;
}

.philosophy-block {
  margin: 0 0 80px 130px;
}

.philosophy-block .num {
  font-family: "Rubik", "Cormorant Garamond", serif;
  font-size: 24px;
  color: #c8c8c8;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
  font-weight: 500;
}

.phil-title {
  font-size: 24px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 28px;
  letter-spacing: 0.06em;
  font-family: "Rubik", "Noto Sans JP", sans-serif;
}

.phil-text {
  font-size: 14px;
  line-height: 2.1;
  color: #333;
}

.phil-text p {
  margin: 0;
}

/* Work photos */
.work-photos {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 14px;
  margin: 50px 0 0 130px;
}

.work-photo {
  aspect-ratio: 1 / 1;
  overflow: hidden;
}

.work-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.work-photo:hover img {
  transform: scale(1.05);
}

.link-button-wrap {
  text-align: right;
  margin: 50px 0 0;
}

.link-button {
  display: inline-block;
  padding: 16px 40px;
  border: 1px solid #333;
  border-radius: 50px;
  font-size: 13px;
  letter-spacing: 0.1em;
  background: transparent;
  transition: all 0.3s;
  color: #333;
  font-weight: 500;
}

.link-button:hover {
  background: #333;
  color: #fff;
}

/* ==============================
   FULL IMAGE
   ============================== */
.full-image {
  width: 100%;
  margin: 0;
}

.full-image img {
  width: 100%;
  height: 600px;
  object-fit: cover;
}

/* ==============================
   COMPANY SECTION
   ============================== */
.company {
  padding-top: 100px;
}

.company-text {
  font-size: 15px;
  line-height: 2.1;
  margin-bottom: 80px;
  color: #333;
}

.company-text p {
  margin: 0;
}

.company-info {
  margin-top: 40px;
}

.info-row {
  display: grid;
  grid-template-columns: 160px 1fr;
  align-items: baseline;
  border-bottom: 1px solid #e0e0e0;
  padding: 24px 0;
  gap: 20px;
}

.info-row dt {
  font-weight: 700;
  font-size: 14px;
  color: #1a1a1a;
  letter-spacing: 0.08em;
}

.info-row dd {
  font-size: 15px;
  color: #333;
}

/* ==============================
   CONTACT SECTION
   ============================== */
.contact-text {
  font-size: 14px;
  margin-bottom: 50px;
  color: #333;
  line-height: 2;
}

.contact-text p {
  margin: 0;
}

.contact-form {
  margin-top: 30px;
}

.form-row {
  margin-bottom: 28px;
}

.form-row label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 10px;
  letter-spacing: 0.05em;
}

.req {
  display: inline-block;
  background: #c84d4d;
  color: #fff;
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 3px;
  margin-left: 10px;
  vertical-align: middle;
  letter-spacing: 0.1em;
  font-weight: 500;
}

.form-row input[type="text"],
.form-row input[type="email"],
.form-row input[type="tel"],
.form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #d0d0d0;
  background: #fff;
  font-size: 14px;
  font-family: inherit;
  color: #333;
  border-radius: 2px;
  transition: border-color 0.3s;
}

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: #333;
}

.form-row textarea {
  resize: vertical;
  min-height: 140px;
}

.form-check label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 400;
  cursor: pointer;
}

.form-check input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin: 0;
  cursor: pointer;
}

.form-note {
  font-size: 12px;
  color: #666;
  line-height: 1.8;
  margin: 30px 0;
}

.submit-btn {
  display: block;
  margin: 30px auto 0;
  padding: 16px 90px;
  background: #1a1a1a;
  color: #fff;
  border: none;
  font-size: 14px;
  letter-spacing: 0.3em;
  cursor: pointer;
  border-radius: 2px;
  font-family: inherit;
  transition: background 0.3s;
  font-weight: 500;
}

.submit-btn:hover {
  background: #444;
}

.line-link {
  text-align: center;
  margin-top: 80px;
}

.line-button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 36px;
  background: #06c755;
  color: #fff;
  border-radius: 50px;
  font-size: 13px;
  letter-spacing: 0.1em;
  transition: background 0.3s;
  font-weight: 500;
}

.line-button:hover {
  background: #05a847;
}

.line-button .arrow {
  font-size: 14px;
}

/* ==============================
   FOOTER
   ============================== */
.site-footer {
  text-align: center;
  padding: 40px 20px;
  font-size: 11px;
  color: #999;
  letter-spacing: 0.1em;
  border-top: 1px solid #f0f0f0;
  margin-top: 60px;
}

/* ==============================
   RESPONSIVE - TABLET
   ============================== */
@media (max-width: 1024px) {
  .nav-list {
    gap: 30px;
  }

  .hero {
    padding: 0 30px;
  }

  .hero-text {
    font-size: 24px;
    right: 40px;
    bottom: 40px;
  }

  .section {
    padding: 80px 30px;
  }

  .section-title {
    font-size: 26px;
  }

  .philosophy-bg {
    padding: 0 30px;
    height: 380px;
  }

  .philosophy-inner {
    padding: 0 30px;
  }

  .philosophy-block {
    margin-left: 100px;
  }

  .work-photos {
    margin-left: 100px;
  }

  .full-image img {
    height: 480px;
  }
}

/* ==============================
   RESPONSIVE - MOBILE
   ============================== */
@media (max-width: 768px) {
  body {
    font-size: 14px;
  }

  .nav-pc {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-menu {
    display: block;
  }

  .site-header {
    padding-top: 20px;
  }

  .logo-area {
    margin-top: 10px;
  }

  .logo-kanji {
    font-size: 32px;
  }

  .logo-romaji {
    font-size: 9px;
  }

  .side-text {
    font-size: 10px;
    letter-spacing: 0.4em;
  }

  .side-left {
    left: 8px;
  }

  .side-right {
    right: 8px;
  }

  .hero {
    margin-top: 20px;
    padding: 0 20px;
  }

  .hero-image {
    aspect-ratio: 4 / 5;
  }

  .hero-text {
    font-size: 20px;
    right: 20px;
    bottom: 30px;
  }

  .section {
    padding: 60px 30px;
  }

  .section-label {
    font-size: 12px;
    letter-spacing: 0.4em;
  }

  .section-title {
    font-size: 22px;
    margin-bottom: 30px;
  }

  .greeting-text {
    font-size: 14px;
  }

  .greeting-text p {
    display: inline;
  }

  .philosophy {
    padding: 40px 0 60px;
  }

  .philosophy-bg {
    padding: 0 20px;
    height: 240px;
    margin-bottom: 50px;
  }

  .philosophy-inner {
    padding: 0 20px;
  }

  .vertical-title {
    font-size: 13px;
    left: 20px;
    top: 50px;
    padding: 12px 6px;
  }

  .philosophy-block {
    margin: 0 0 60px 60px;
  }

  .philosophy-block .num {
    font-size: 18px;
  }

  .phil-title {
    font-size: 18px;
    margin-bottom: 20px;
  }

  .phil-text {
    font-size: 13px;
  }

  .phil-text p {
    display: inline;
  }

  .work-photos {
    grid-template-columns: 1fr;
    gap: 10px;
    margin: 40px 0 0 60px;
  }

  .work-photo {
    aspect-ratio: 4 / 3;
  }

  .link-button-wrap {
    text-align: center;
    margin-top: 40px;
  }

  .link-button {
    padding: 14px 30px;
    font-size: 13px;
  }

  .full-image img {
    height: 320px;
  }

  .info-row {
    grid-template-columns: 100px 1fr;
    padding: 18px 0;
    gap: 10px;
  }

  .info-row dt {
    font-size: 13px;
  }

  .info-row dd {
    font-size: 13px;
  }

  .form-row label {
    font-size: 13px;
  }

  .submit-btn {
    width: 100%;
    padding: 16px;
    font-size: 14px;
  }

  .line-button {
    padding: 12px 30px;
    font-size: 13px;
  }
}

@media (max-width: 480px) {
  .side-text {
    display: none;
  }

  .hero {
    padding: 0 15px;
  }

  .section {
    padding: 50px 20px;
  }

  .philosophy-block {
    margin-left: 50px;
  }

  .work-photos {
    margin-left: 50px;
  }

  .vertical-title {
    left: 15px;
  }
}